12 July 2019

99 Percent Invisible: Depave Paradise

Back in the 1940s, this unusual landscape became a source of inspiration for Mexican Modernist architect Luis Barragán. Famous for his bold uses of color and careful integration of natural light, he designed a number of homes among the rocks of El Pedregal. In attempting to build harmoniously with this volcanic landscape, however, Barragán may have accidentally contributed to an ecological crisis that’s playing out in Mexico City today. [...]

When Spanish conquistadors sacked Tenochtitlan, they rebuilt a modern city with a grid. This new metropolis, however, would flood regularly, eventually leading to efforts to drain the former lakes of the basin. Over the course of the next several centuries, Mexico City built an elaborate system of tunnels designed to evacuate rainwater out of the basin and preventing flooding. Little by little, the city drained the lakes and expanded out over the dry lakebed.

Mexico City still has major flooding issues to this day, but it also faces a seemingly paradoxical problem: it’s running out of water. All of the infrastructure aimed at draining the rainwater from the basin works against efforts to retain water for human consumption. Today, many neighborhoods in Mexico City don’t have reliable running water — and when the rainy season comes, those same neighborhoods get far too much water all at once.

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